Quislingist adjective 1noun 1forms 2 adjective1 •(old-fashioned) That is collaborating with an occupying enemy.Terboven then issued his decree of Sept. 25 declaring the King of Norway deposed, dissolving all political parties except Nasjonal Sanding, and setting up a Quislingist administration. — 1941 noun1 •(old-fashioned) A traitor who collaborates with an occupying enemy.On another occasion, a Quislingist became enraged at the size of a collection taken up in one of the churches served by a loyal clergyman. — 1943 formsQuislingists · quislingists
